Tech dreams live or die on startup battlefields

Fearing failure but driven by a chance at Silicon Valley stardom, young entrepreneurs pitch their dreams in mere minutes at startup competitions like TechCrunch Disrupt that ended here Wednesday.

Soft soil makes Mexico City shake like it was built on jelly

The soft soil that lines the ancient lake bed that Mexico City is built on amplified the shaking from Tuesday's earthquake and increased its destructive force, seismologists say as they try to better understand the quake ...

As Uber drove into PR pot hole, Lyft stepped on the gas

When management upheaval, allegations of corporate espionage, and revelations of sexual harassment sent Uber into a public relations sinkhole, its long overshadowed rival Lyft shifted into overdrive.

Early example of a local nautical map from Hispanic America

In the last third of the 16th century, the Spanish crown launched a project to obtain a complete map of the New World. The project used surveys known as Relaciones Geográficas. A questionnaire with more than 50 questions ...

Optimizing hydrogen-powered passenger ferries

Maritime transportation has emerged as one solution to the traffic gridlock that plagues coastal cities. But with urban passenger ferries operating in sensitive environments and tourist areas, hydrogen fuel cell-powered passenger ...

Can California fish catch break with giant tunnels? Depends

Gov. Jerry Brown's plan to route much of California's mightiest river into two massive tunnels poses new perils for salmon and other struggling native species, but could give them a couple of breaks as well, experts and project ...

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